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    CVE-2021-1577

    A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an unauthenticated, remote attacker to read or write arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker could exploit this vulnerability by using a specific API endpoint to upload a file to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on an affected device.

    Published:Aug 25, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 25, 2021
    EPSS Score:0.00731
    CVSS Score:9.1

    Affected Products

    Vendor
    Cisco
    Product
    Application Policy Infrastructure Controller
    Vendor
    Cisco
    Product
    Cloud Application Policy Infrastructure Controller

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2025-20118 (CVSS 4.4) — A vulnerability in the implementation of the internal system processes of Cisco APIC could allow an authentica…
    CVE-2025-20117 (CVSS 5.1) — A vulnerability in the CLI of Cisco APIC could allow an authenticated, local attacker to execute arbitrary com…
    CVE-2025-20116 (CVSS 4.8) — A vulnerability in the web UI of Cisco APIC could allow an authenticated, remote attacker to perform a stored …
    CVE-2024-20478 (CVSS 6.5) — A vulnerability in the software upgrade component of Cisco Application Policy Infrastructure Controller (APIC)…
    CVE-2024-20279 (CVSS 4.3) — A vulnerability in the restricted security domain implementation of Cisco Application Policy Infrastructure Co…
    CVE-2023-20230 (CVSS 5.4) — A vulnerability in the restricted security domain implementation of Cisco Application Policy Infrastructure Co…
    CVE-2023-20011 (CVSS 8.8) — A vulnerability in the web-based management interface of Cisco Application Policy Infrastructure Controller (A…
    CVE-2021-1582 (CVSS 5.4) — A vulnerability in the web UI of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC…
    CVE-2021-1581 (CVSS 6.5) — Multiple vulnerabilities in the web UI and API endpoints of Cisco Application Policy Infrastructure Controller…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High